A particularly infectious subvariant of influenza is keeping emergency room numbers high and causing especially severe ...

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

A ferocious surge of flu cases is linked in part to a variant that has not been dominant in the past few years — resulting in ...

Data from a major U.S. clinical trial from the Alliance for Clinical Trials in Oncology has uncovered a genetic factor that ...

Researchers have discovered a rare new type of diabetes that affects babies early in life. The condition is caused by changes ...